US Bridges

ST Rt 43 (enos Ln) over Interstate 5

Good

Kern County, California · 06-KER-043-1.86 · Structure no. 50 0301

Built
1969
56 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
365 ft
4 main spans
Daily traffic
5,450
2009 count
Owner
State
State Highway Agency

About this bridge

ST Rt 43 (enos Ln) over Interstate 5 is a steel stringer/multi-beam or girder carrying ST Rt 43 (enos Ln) over Interstate 5 in Kern County, California. It was built in 1969, so it is 56 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,450 vehicles a day, roughly 20% of them trucks, projected to reach 16,716 by 2042. The structure is 365 ft (111.3 m) long and 44 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesST Rt 43 (enos Ln)
CrossesInterstate 5
Location06-KER-043-1.86
RouteState Highway 43
Coordinates35.29286, -119.25241
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45 US tons
Inventory rating27.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length365 ft (111.3 m)
Longest span146 ft (44.5 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,450 (2009)
Projected traffic16,716 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST Rt 43 (enos Ln) over Interstate 5 built?

It was built in 1969, making it 56 years old in 2025.

What condition is ST Rt 43 (enos Ln) over Interstate 5 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does ST Rt 43 (enos Ln) over Interstate 5 carry?

About 5,450 vehicles per day (2009 count), of which roughly 20% are trucks.

How long is ST Rt 43 (enos Ln) over Interstate 5?

The structure is 365 ft (111.3 m) long with a longest span of 146 ft (44.5 m) and a deck 44 ft wide.

Who owns ST Rt 43 (enos Ln) over Interstate 5?

It is owned by the State Highway Agency.